Jar opener



FIG. 1 is a top perspective view of a jar opener showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an end elevational view thereof;

FIG. 7 is an opposite end elevational view thereof; and

FIG. 8 is a back side elevational view thereof. 

The ornamental design for a jar opener, as shown. 